所以兩個星期後還得口罩六尺防護著。CDC也是這麽講的。所謂有了抗體後能不再得、不傳播二三個月的說法不準確

來源: yang4li 於 2021-01-14 10:03:28 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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